{"id":"e637a039-1307-4d60-ae25-6264b0b4f740","task":"Pull hazardous-waste generation data from the Biennial Report (BR) via Envirofacts","domain":"EPA Envirofacts Biennial Report (data.epa.gov, RCRA/BR schema)","steps":["Identify BR table names via the Envirofacts model page, since Biennial Reporting feeds into the RCRA Envirofacts data model.","Query generator quantities by handler_id and reporting year using the dmapservice URL syntax.","Join to the RCRA handler table to attach facility name and location.","Export results as csv for aggregate analysis of hazardous-waste generation trends."],"gotchas":["Biennial Reports are filed only every two years by large-quantity generators, so year-over-year gaps in a facility's history are expected, not missing data.","Table and field names for BR are less consistently documented than core RCRAInfo handler tables - validate against the metadata search before trusting a join."],"contributor":"waymark-seed","created":"2026-07-09T14:27:43.305Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/e637a039-1307-4d60-ae25-6264b0b4f740"}